Add some logging to a flakey browsertest to debug.

chrome/test/in_process_browser_test.cc

Index: chrome/test/in_process_browser_test.cc
diff --git a/chrome/test/in_process_browser_test.cc b/chrome/test/in_process_browser_test.cc
index bbfdb64573b754349dee3af428802eec1e1dfa54..292ae8e09f41c3469d050092af9a7733e027add4 100644
--- a/chrome/test/in_process_browser_test.cc
+++ b/chrome/test/in_process_browser_test.cc
@@ -124,6 +124,11 @@ void InProcessBrowserTest::SetUp() {
   command_line->AppendSwitchWithValue(switches::kBrowserSubprocessPath,
                                       subprocess_path);
 
+  // Enable warning level logging so that we can see when bad stuff happens.
+  command_line->AppendSwitch(switches::kEnableLogging);
+  command_line->AppendSwitchWithValue(switches::kLoggingLevel,
+                                      IntToWString(1));  // warning
+
   SandboxInitWrapper sandbox_wrapper;
   MainFunctionParams params(*command_line, sandbox_wrapper, NULL);
   params.ui_task =